Filter cone



FIG. 1 is a top, side perspective view of the filter cone;

FIG. 2 is a bottom, side perspective view thereof;

FIG. 3 is a front side view thereof;

FIG. 4 is a rear side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a left side view thereof; and,

FIG. 9 is a sectional view of the filter cone, taken along line 9-9 of FIG. 3. 

CLAIM The ornamental design for a filter cone, as shown and described. 